Finding the Fourth Proportional to 1,778,186.93, 2,667,280.52 and 430,349.76
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Solution
The fourth proportional to 1,778,186.93, 2,667,280.52 and 430,349.76 is: 645,524.67
Step by Step Solution
- Step 1: Write the proportion equation
1,778,186.93 : 2,667,280.52 = 430,349.76 : x - Step 2: Convert to fraction form
1,778,186.93/2,667,280.52 = 430,349.76/x - Step 3: Cross multiply
1,778,186.93x = 2,667,280.52 × 430,349.76 - Step 4: Simplify right side
1,778,186.93x = 1,147,863,532,710.55 - Step 5: Solve for x
x = 1,147,863,532,710.55/1,778,186.93 - Step 6: Final answer
x = 645,524.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.